Scale.



L. JAENICHEN.

SCALE.

APPLICATION FILED APR-16.1915.

1,171,522. Patented Feb. 15,1916.

2 SHEETS-SHEET I.

WITNESSES RNVENTOR TORNF Y5 L. JAENICHEN.

SCALE.

APPLICATION 111511 APR, 16, 1915.

1,171,522. 11110111111 Feb. 1:), 11111;.

2 SHEETS 'SHEET 2.

WITNESSES INVENTOR I 5 I [00/5 jae/wc/ien,

UNITED STATES PATENT QFFIQE. i

LOUIS JAENICHEN, OF DETROIT, DIICHIGAN, ASSIGNOR TO STANDARD COMPUTING SCALE COMPANY, LIMITED. 01? DETROIT, MICHIGAN.

SCALE.

Application filed April 16,

To all whom it may concern:

Be it known that LLotis J.-\r..\'rcnn.\. a citizen of the United States, residing at Detroit, in the county of \Vaync and State of Michigan, have invented a new and useful Scale, of-which the following is a specification.

This invention relates to scales of the type in which a main lever, acheck arm or rod and a check link are used; and one of its objects is to provide means whereby the check link may be conveniently and accurately adjusted in respect to the line joining the pivot for the main beam to the pivot for the check link, without. tipping the scale bodily. l

The nature of the invention will be more fully understood from the following description and the accompanying drawing. in thelatter of which Figure 1 is a partside. view partcentral vertical section showing one embodiment of my intention. Fig. 2 is aplan view of the check line showing its relation to adjacent part-s. Fig. 3 is a vertical section-showing the upper end of the check link adjusting member. F ig.4 is a central vertical section at'right angles to Fig. 3. Fig. 5 is a plan view of the check link. Fig. (3 is a section on the line 66 of Fig. 1. Fig. 7 is'a fragmentary section showing a modification. Fig. 8 is a section on the line 8-S of Fig. 7. Fig. 9 is a section on the line 9-9 of Fig. 8. Fig. 10 is an end view of the bracket that supports the check link adjusting rod. Fig. 11 is an enlarged plan view of the slot in the base'of the scale, showing the manner in which access is had to the check link adj usting mechanism. Fig. 12 is a section. on the line 12-12 of Fig. 8.

Similar reference characters refer to like parts throughout the several views.

In theembodiment 'of my invention shown in Figs. 1 to (3 inclusive; 1 indicates the base, 2, the hollow pedestal, and '3, the head, within which the drum l'bearing cost figures mounted to'rotate about a horizontal axis in a well known manner. Rising from the base is a post 5 on which are supported bearings (3 for the knife edges 8 (but one of which is shown) that project from the main scale beam 9. One end of the beam passes through a slot 10 in the pedestal and is connected in any preferred manner to the pis ton rod'll of a dash-pot l2, and to a. main Specification of Letters Patent.

1915. Serial No. 21,829.

rod 13, the upper end of which is toothed to engage with the'pinion 14 on the shaft 15 of the drum 4. Projecting from the op posite end of the beam are knife edges 16 (but one being shown) on which rest the bearing blocks 13 of a'spidcr 19, the arms of which inclos and position the scale-pan 20. The spider has rigidly secured thereto. preferably by the bolts 2-1, an L-shaped check arm that also passes through the slot 10 and has its upper portion inclosed in the hollow pedestal The said upper portion may be of a skeleton nature (the longitudinal portions '2! and being joined at intervals by cross-lugs 526) and is perforated to receive a check link adjusting and supporting rod 28. that may be threaded at its lower end to pass through a thumbnut 29 located in a slot 30 formed in the check lever. Upon turning the nut, the rod is adjusted vertically; it preferred to split the upper end of the i'nember 21 (Fig. 6) and to join the bifurcations by across bolt 32, whereb the rod 28, after being adjusted, may be rigidly clamped in place.

The upper end of the rod 28 n'iav be flattened and shouldered, and secured there to, preferably by the screws 34,-- is a checklink retaining plate slotted at 36 and provided with inwardly extending portions thus making the width of the lower portion of the slot less than that of the upper. lrlounted in a suitable manner, preferably on the inner wall of the pedestal, is a rod 39, one end 40'of which may be. turned down and has secured thereto a retaining plate 41, the counterpart ofplate These plates constitute supports for the opposite ends of a check link" 49. (Fig. indicated therein, the ends of the link are cut away at 43 and 44 to clear the rods 28 and 39, respectively; and have. out-turned cars 45. theinner faces of which are inclined to form knife edges 46. all lying in a single plane and bearing on the outer surfaces of the portions 38 of the retaining plates, whereby free swinging movement of the check link is insured. The latter is inserted in position by merely passing its ends through the corresponding slots 36 and allowing it to fall into place. Stampings 47 (each of which may have an edge 48 and bent 49 at its ends) embrace the upper portion of the retaining plates and are secured thereto by one of the screws 34. The

lower edges of the stampings closely appreach the upper Surface of the check link, thus preventing the. link from rising in the slots 36.

Access to the interior of the hollow pedestal is obtained at the top by removing a closure 51 normally held in position over an arm the bolts 32.

opening in the pedestal wall by screws 52;

and, at the bottom, by turning the latch 53 of a door 54, the latter beingpivoted or otherwise attached to the pedestal and ar-' ranged to close an opening therein.

In use, the parts are assembled and the rod 28 is adjusted by the nut 29 until the check link 41 is exactly parallel to the line joinin the knife edges; on the main beam. It wil be seen that in makin thi s'ad'usb advantagfi. It is found in practice that, when a wisting force is applied 'to the spider (for example,by the sealer), the resuiting tendency to turn in a horizontal ment it is unnecessarytotilt t e scale a out.

its base, as in ordinary constructions, and' that the adjusting elements are accessible from a point above the base. These features are particularly advantageous: After being adjusted, the parts are clamped together by Referring to the Figs. 7 to..12, inclusive, thebase 1, post 5 and main scale beam Q are substantially the same as heretofore described; and the pan 20 is .modification shown in supported on the main beam by knife edges 60 astloefore. The spider 61, however, has a b ,7 62 in which the upper end of a check is threaded and locked by' a nut 64. Secured to the lower surface of the base is a bracket comprising the upper-base plate 66 and the lower base plate '68, with which are integrally formed the connecting posts '69 (Fig. 10) and the upper and lower bases .are connected by the guide'rod 7 0. Also 'oining the upper and lower bases is a screw 1, thelower end of which is reduced to turn freely in the lower base,-while the up per end is slotted at 72 to receive a screwdriver andpasses through a slotted nut 73,

threaded into the upper base.- The screw 1 71. is also threaded into and passes through a member 75 having at one side' a slotted projection 76 that-embraces the guide rod 70; and to the opposite side of the member is secured, by means of the screws 78, a retaining plate 79, wvhich differs from the plate 35 merely in that itisconsiderably wider thamth'elatter. 'The corresponding arts of tl'ie'two plates have, therefore, been indicated by the same numerals. Asimilar retaining platedSO is attached to the lower end of the check arm 63, and these plates are connected by a check link 81 that differs from the check link 42 only in width.

The ends of the check lever are prevented from rising in the slots in the retaining plates by clips 82, that correspond to the stampings 4'7.

While the change in retaining plates and check link is one of proportion? only, the greater width gives rise to ail-important initial position after 'beingdisplaced. @The -'link shown in -Fig. Inlay obviously be made of similar proportions, if desired,

In order toallow ccess to the screw 71 and. nut 73 a for adjustment purposes, the upper wall of thebase is slotted at 85. This slot may be narrowed and continued at 86 to allow the'passa eof a screw '88; and the opposite end of t e upper. base 66 of 'the bracket maybe corres ondingly slotted at 89 to receive a screw be t 90. By-this means it will be seen that thech'ecklink may also be adjusted in'a horizontaldirectionz? -I do not, however, clann thcse'. .specific features as I am not the sole inventor thereof.-- My sole invention nevertheless does include the use of means for adiusting oneend of the check link vertically without tilting the scale about. its, base, and; includes both shape and proport ons of the check-link and the, retainer plates.

Various changes may be made in the de tails without departing from the spirit 0* I the invention, and I do not,'therefore, wish the subjoined claims. I l Y ii 1. "A scale comprising in combinationa to be limited otherwise than as indicated b'yf frame including avbase, a main beam on ported by and pivoted to swing vertical'y -1D. respect to the frame, a check arm piv otally mounted on the main beam, achecklink attached to the check arm and arranged to swing freely;in respect thereto, .one end of the check link being supported by and adapted for ,frjee. swinging movement in respect to the frame, and means carried by the check arm for adjustin joining the agzis of the pivot for theniailf oneend of the 4 check link in a'vertical direction to cause the check link to'become parallel to the line beam to the axis of the-pivot for the check;

arm, said adjusting means being, accessible from above the base without tilting or lifting the scale. v 2. A scale comprising in combination a;

base and a hollow closed pedestal rising? from the base, a main beam supported by? and pivoted to swing vertically in respect to the base, a check arm pivotally moun tedg lg. Q

on the main beam, a load-receiving member? uwii ial and arrangvd to zwing lreolu in l'khlltV t tho lover. moans or mpporting our r-nd oi the i'lHi'li link. said link lining nirniitlv l lo wring wi l}; on tho supporting: moan moans. mrrivd by tho (rim-l; arm for :uljiuiing: one mid of thii-livcl-z link in a vrrtit'al dirvi'tion to rauwr tho chwk link to lsvwun'n parallvl to the line joining tho axis of :lupivot for thimain lwain to tho axis oi tin;- pivot for the (hr-ck arin. billtl peilcw tal having an nprning i i'n'nn-d in it; wall adim-i-nt tho a liuuing 111mm for tho chock iink. and, a rlwurv for tilt, inn-hing lllUVfll lQ from i-losvd to open i ition. whorl-by tho ailiuuiiu: nwam iri'rulvrml acrvssihhwith onl hiring); or tilting: the stain alum the rio- M321 i\ in onion position.

ii EX wall voii'ig riaing in iroinliination a tin-inn including a how. a main beam upand giiioi'od to .\'in;;' \ri'tirallv to tho trannu a Pin-uh arm pivon tho main lwann aid who-xii arm luring a ulmtani'ially \vr.v a! l wn-n. wi l orti n lllifllllllllf jj a \'il'tlw n ing; the ilill irtillfl w; in rat ding trontin) one-ii. a main llt'illll supportml by and i ii'niml to huh wrtically'in ruspmrt 1- 3h train-12a vhwz; arni pivotally mullntwl n llH, ,n HilIil. aid (hock arm having a riltlitiiillEinilly ftltlntii portion nxtsniling into llw hollow pwlwtah said portion ini'ludin g a with-ally HHH'Rl ll adjusting lllPllllHl, a vhw-h linl; a tzirh -d to tlw adinating HLGIXP l rz' vind arm. 'Ili i to swing l'rwly in i'ospri't la n-vim moans iovatml within tho [iwlr'stal loiz-v iaratrlv supporting one mil oi the (lli hl link xiiil linl; aha; i ing nrrmin'ml to wring l l'WlV in .lwlif'l, to :ia- :zupporting moan: nit-ans for moving rho adjuxting nirnilwr in iwa/(a-t lo tho arm or iliv i-lwvk arm. n'ln'rrhy tlw ('lltUh link may h 9 awnratrl'v ailinsi'iul with rvl'i-ri-nwto tho line they adjusting member, and a freely roman"- ahlo closure for the opening, \vhcreliiy the parts are rendered accessible without lifting or tilting the scale.

53. A scale including in combination a base and a hollow closed podvstal rising from the l ase. a main beam supported by and pivoted to swing \ortirally in respect to tho trainr. a check arm pivotally mounted on the, main beam, said check arm having a auhstantially vertical portion extending: into the hollow pedestal. said portion including a split upper end, a vertically movable adjusting member slidahle through said end. nreana for forcing the portions of the and together to clamp the adjusting member in adjusted position. said arm also having a slot across WlliPll the adjusting member passes. a nut in the slot; for moving the adjusting: nieinher, a check link attached to the ad ihsting member and arrangeiil to iving freely in respvrt ihnroto. means looatvd with in. tho pedestal for soparatoly supporting one i nd of tho ('herk link, said link also hein; arranged to swing freely in respect to the Supporting in *ans. moans for moving; the adii ailing member in ltSptKTtto the vhwlt rm. \xln rr-hy the: (hm-l; link may he aci-uratrly a z ljuntr-d with ilfiflflk'fl to the line ioinin; the axis ol the pivot. for the main lwani t the axis ol' the pivot for tho (hock arm. Fi-illll moans for moving the adiusting int-nihor living: arcussi lo from above th hash,

*3. Check incrhanisni for Scales coup; in; a (chm-k arm. a rotainer plate Gillllitl ti'ltltihy. a check link suipportml at one end on the rotainor plate. a second retainer platv on Whirh the othr-r end of the check link is su 'iportod, a support for the sorond retainer plate, 0;!(ll of Raid rotainor platos lining! slotted horizontally and the lower ion lions of said slots; living restricted at (2|("ll with. said ohm-k link i-on'iprising a hody nortzon having: a pair ot" laterally? vxtonding l-ini to vdgo oars at (:ltli End. the hotly oi the viii ink extruding through the rrstrictvd portion of (:!(l; of tho retainvr Flatt-S and tho oars lining arranged to engage the oppoitv faves of the rotainor platoa.

T. (hock mei-hanism for sealer; rompriw ing a (rhea-k arm. a rotaiuer plate rarried thmi ln. a. (hook link snppi'n'tnd at one mid on lili r tziinmplatm a Second retainer plate on .\i;l('ll tlw other end of tho chock link is: MEPQH'II'iK'lL a support for the second retainer plans \l'iill of said rotainor plains living Jottwl horizontally and the lower portiom ol' said slots living restricted at var-h siilv, mid ("in-vii link vom irising a body portion having a pair of laterally extending knife (also (M's at (-arh 0nd, the body of the check ill) tween the members of each pair of ears being substantially equal to or greater than the distance between the separate pairs of cars.

8. Check mechanism for scales eomprising a check arm, a retainer plate carried thereby, a check link supported at one end on the retainer plate, a second retainer plate on which theother end of the check link is supported, a support for the second retainer plate, each of said retainer plates being slotted horizontally and the lower portions of said slots being restricted at each side, said check link comprising a body portion having a pair of laterally exten ing knife edge ears at each end, the body of the check link extending through the restricted portion of each of the retainer plates and the ears being arranged to engage the opposite faces 01 the retainer plates, and means carried by the retainer plates for preventing the check link from rising in the slots.

9. A scale comorising in combination a main beam, a check arm carried by the main beam, knife edge bearings for the check lever, a load support carried by the check lover, a retainer plate secured to the check lever, a check link supported at one end on the retainer plate, a second retained plate on which the other end of the check link is supported, a support to which the second retainer plate is secured, each of said retainer plates being slotted horizontally and the;

ower portions of said slots being restricted at each side, said check link comprisingfla of ears being substantially equal to or greater than the distance between the separate pairs of ears, whereby the check arm is prevented from becoming displaced'in respect to the knife edge bearings upon which it is supported.

In testimony whereof I sign this specification in the presence of two subscribing witnesses.

LOUIS J AENICHEN.

Witnesses:

L. M. SPENCER, Hnoo W. KREI'NBRING. 

